40643540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{619}}^1$

素因数の和:709

約数の個数: 72

約数和(自身を含む): 100931040

約数和(自身を除く): 60287500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 67, 70, 98, 134, 140, 196, 245, 268, 335, 469, 490, 619, 670, 938, 980, 1238, 1340, 1876, 2345, 2476, 3095, 3283, 4333, 4690, 6190, 6566, 8666, 9380, 12380, 13132, 16415, 17332, 21665, 30331, 32830, 41473, 43330, 60662, 65660, 82946, 86660, 121324, 151655, 165892, 207365, 290311, 303310, 414730, 580622, 606620, 829460, 1161244, 1451555, 2032177, 2903110, 4064354, 5806220, 8128708, 10160885, 20321770, 40643540]

約数ペア:

[(1, 40643540), (2, 20321770), (4, 10160885), (5, 8128708), (7, 5806220), (10, 4064354), (14, 2903110), (20, 2032177), (28, 1451555), (35, 1161244), (49, 829460), (67, 606620), (70, 580622), (98, 414730), (134, 303310), (140, 290311), (196, 207365), (245, 165892), (268, 151655), (335, 121324), (469, 86660), (490, 82946), (619, 65660), (670, 60662), (938, 43330), (980, 41473), (1238, 32830), (1340, 30331), (1876, 21665), (2345, 17332), (2476, 16415), (3095, 13132), (3283, 12380), (4333, 9380), (4690, 8666), (6190, 6566)]